Radioactivity

Convert curie to becquerel

1 curie equals 37,000,000,000 becquerels. Enter a value below to convert instantly.

1 Ci
37,000,000,000 Bq

Multiply the number of curies by 37000000000 to get becquerels. How this is calculated

Need the other direction? Convert becquerel to curie →

Formula

Multiply the number of curies by 37000000000 to get becquerels.

Step by step

  1. Start with 1 Ci.
  2. Multiply by the conversion factor 37000000000.
  3. 1 × 37000000000 = 37,000,000,000 Bq.

Curies to Becquerels conversion table

Conversion table from Curies to Becquerels
Curies (Ci) Becquerels (Bq)
1 37,000,000,000
2 74,000,000,000
5 185,000,000,000
10 370,000,000,000
20 740,000,000,000
50 1,850,000,000,000
100 3,700,000,000,000
1,000 37,000,000,000,000

Convert Curie to other radioactivity units

1 Ci expressed in every other radioactivity unit on this site.

  • Becquerel Bq 37,000,000,000
  • Kilobecquerel kBq 37,000,000
  • Megabecquerel MBq 37,000
  • Gigabecquerel GBq 37
  • Terabecquerel TBq 0.037
  • Millibecquerel mBq 37,000,000,000,000
  • Kilocurie kCi 0.001
  • Millicurie mCi 1,000
  • Microcurie µCi 1,000,000
  • Nanocurie nCi 1,000,000,000
  • Picocurie pCi 1,000,000,000,000
  • Rutherford Rd 37,000
  • Disintegration per Second dps 37,000,000,000
  • Disintegration per Minute dpm 2,220,000,000,000

About the curie

The curie (Ci) is a Other unit of radioactivity. Originally the activity of one gram of radium-226; now defined as exactly 3.7 × 10¹⁰ Bq.

About the becquerel

The becquerel (Bq) is a SI unit of radioactivity. One nuclear decay per second.

Where this conversion is used

Converting curies to becquerels comes up when nuclear medicine, radon testing, and environmental monitoring. One curie is 37 billion becquerels, which is why trace measurements are reported in picocuries.

Related conversions

Frequently asked questions

How many becquerels are in a curie?

One curie equals 37,000,000,000 becquerels.

How do you convert curies to becquerels?

Multiply the number of curies by 37000000000 to get becquerels.

What is 1 becquerel in curies?

One becquerel equals 2.7027027e-11 curies.

When would I convert curies to becquerels?

This conversion is common when nuclear medicine, radon testing, and environmental monitoring.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.